Swansea Coroner's Office has told ITV News that further tests will now be carried out on Gareth Colfer-Williams, which are expected to take six to eight weeks.
His family have raised questions about the medical care he received in the days before his death.
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After a mostly cloudy and damp start, patchy rain will arrive from the west by midday.
A cat from Gwynedd had to have his paw amputated after it was caught in an illegal gin trap. The cat was found in Rhostrehwfa on 17 May.
The First Minister launched a new poster for Labour this morning with the words "don't let the tories trample over Wales".